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Finding the Fourth Proportional to 614,771.41, 848,382.90 and 342,839.62

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Solution

The fourth proportional to 614,771.41, 848,382.90 and 342,839.62 is: 473,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,771.41 : 848,382.90 = 342,839.62 : x
  2. Step 2: Convert to fraction form
    614,771.41/848,382.90 = 342,839.62/x
  3. Step 3: Cross multiply
    614,771.41x = 848,382.90 × 342,839.62
  4. Step 4: Simplify right side
    614,771.41x = 290,859,271,050.50
  5. Step 5: Solve for x
    x = 290,859,271,050.50/614,771.41
  6. Step 6: Final answer
    x = 473,117.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.